Love Shop Universal Hello-a Pop Handset for Iphone,ipad,other Phones and Computer Protect You From Radiation-soft Touch-rose Red 1.Wire lengh:2.5 Metre; Diamter:2.8mm; Size:9.1*7.1*26cm. 2.Compatible with all 3.5mm jack mobile phones and computers, including iPhone, BlackBerry, iPad and latest MacBooks. 3.The switch key button make it easier for you to adjust the handset adapting to your machine. 4.Noise-reducing technology for a crisp and polished sound. 5.One touch button for convenient pick-up/hang-up directly from the handset (not all mobile phone support function).